/**
 * Axelor Business Solutions
 *
 * Copyright (C) 2017 Axelor (<http://axelor.com>).
 *
 * This program is free software: you can redistribute it and/or  modify
 * it under the terms of the GNU Affero General Public License, version 3,
 * as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package com.axelor.apps.account.service.payment.invoice.payment;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.axelor.apps.account.db.InvoicePayment;
import com.axelor.apps.account.db.Move;
import com.axelor.apps.account.db.Reconcile;
import com.axelor.apps.account.db.repo.InvoicePaymentRepository;
import com.axelor.apps.account.db.repo.ReconcileRepository;
import com.axelor.apps.account.service.ReconcileService;
import com.axelor.apps.account.service.config.AccountConfigService;
import com.axelor.apps.account.service.move.MoveCancelService;
import com.axelor.exception.AxelorException;
import com.axelor.inject.Beans;
import com.google.inject.Inject;
import com.google.inject.persist.Transactional;

import java.lang.invoke.MethodHandles;

public class InvoicePaymentCancelServiceImpl  implements  InvoicePaymentCancelService  {
	
	protected AccountConfigService accountConfigService;
	protected InvoicePaymentRepository invoicePaymentRepository;
	protected MoveCancelService moveCancelService;
	protected ReconcileService reconcileService;
	protected InvoicePaymentToolService invoicePaymentToolService;

	
	private final Logger log = LoggerFactory.getLogger( MethodHandles.lookup().lookupClass() );
	
	@Inject
	public InvoicePaymentCancelServiceImpl(
			AccountConfigService accountConfigService, InvoicePaymentRepository invoicePaymentRepository, MoveCancelService moveCancelService, 
			ReconcileService reconcileService, InvoicePaymentToolService invoicePaymentToolService)  {
		
		this.accountConfigService = accountConfigService;
		this.invoicePaymentRepository = invoicePaymentRepository;
		this.moveCancelService = moveCancelService;
		this.reconcileService = reconcileService;
		this.invoicePaymentToolService = invoicePaymentToolService;
		
	}
	
	
	/**
	 * Method to cancel an invoice Payment
	 * 
	 * Cancel the eventual Move and Reconcile
	 * Compute the total amount paid on the linked invoice
  	 * Change the status to cancel
	 * 
	 * @param invoicePayment
	 * 			An invoice payment
	 * 
	 * @throws AxelorException
	 * 		
	 */
	@Transactional(rollbackOn = {AxelorException.class, Exception.class})
	public void cancel(InvoicePayment invoicePayment) throws AxelorException  {
		
		Move paymentMove = invoicePayment.getMove();
		Reconcile reconcile = invoicePayment.getReconcile();
		
		log.debug("cancel : reconcile : {}", reconcile);
		
		if(reconcile != null && reconcile.getStatusSelect() == ReconcileRepository.STATUS_CONFIRMED)  {
			reconcileService.unreconcile(reconcile);
			if(accountConfigService.getAccountConfig(invoicePayment.getInvoice().getCompany()).getAllowRemovalValidatedMove())  {
				invoicePayment.setReconcile(null);
				Beans.get(ReconcileRepository.class).remove(reconcile);
			}
		}

		if(paymentMove != null && invoicePayment.getTypeSelect() == InvoicePaymentRepository.TYPE_PAYMENT)  {
			invoicePayment.setMove(null);
			moveCancelService.cancel(paymentMove);
		}
		else  {
			this.updateCancelStatus(invoicePayment);
		}


	}
	
	@Transactional(rollbackOn = {AxelorException.class, Exception.class})
	public void updateCancelStatus(InvoicePayment invoicePayment) throws AxelorException  {
		
		invoicePayment.setStatusSelect(InvoicePaymentRepository.STATUS_CANCELED);

		invoicePaymentRepository.save(invoicePayment);

		invoicePaymentToolService.updateAmountPaid(invoicePayment.getInvoice());

	}
	
	
}
